NDLI: Performance of punctured channel codes with ARQ for multimedia transmission in Rayleigh fading channels

Content Provider	IEEE Xplore Digital Library
Author	Lou, H. Cheung, A.S.
Copyright Year	1996
Description	Author affiliation: AT&T Bell Labs., USA (Lou, H.; Cheung, A.S.)
Abstract	The transmission of different multimedia source data requires different levels of error protection. Punctured convolutional codes in conjunction with automatic repeat request (ARQ) schemes, such as the ones used in type II hybrid and type III ARQ schemes, can enable the transmission of varying redundancy to provide different levels of error protection for different data packet. However, the performance of these codes with ARQ in Rayleigh fading environments are not well understood. We designed two systems based on type II hybrid and type III ARQ schemes. We studied extensively their performances in different Rayleigh fading environments and with different system parameters. We showed that in fast fading environments, type II hybrid and type III ARQ schemes achieves better throughput than the simple ARQ scheme without coding. However, convolutional codes do not work well in slow fading environments. Thus, in a slow fading environment simple ARQ scheme without coding achieves better throughput compared to that of type II hybrid and type III ARQ schemes at relatively low SNR when the transmission packet size is small. However, when the transmission packet size is large, simple ARQ scheme performs poorly and it may be advantageous to use type II hybrid and type III ARQ scheme even in relatively slow fading environments. To take full advantage of punctured convolutional codes to provide for different levels of error protection in a slow fading environment, one may employ techniques such as transmit antenna diversity technique to simulate a fast fading environment.
Starting Page	282
Ending Page	286
File Size	568468
Page Count	5
File Format	PDF
ISBN	0780331575
ISSN	10903038
DOI	10.1109/VETEC.1996.503453
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-04-28
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Automatic repeat request Rayleigh channels Protection Convolutional codes Fading Throughput Redundancy Working environment noise Transmitting antennas Speech coding
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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